(1999). Medieval metropolises: Proceedings of the Congress of the Atlas Working Group International Commission for the History of Towns, Bologna, 8 - 10 maggio 1997 = Metropoli medievali. Grafis.
Chicago-Zitierstil (17. Ausg.)Medieval Metropolises: Proceedings of the Congress of the Atlas Working Group International Commission for the History of Towns, Bologna, 8 - 10 Maggio 1997 = Metropoli Medievali. Casalecchio di Reno (Bologna): Grafis, 1999.
MLA-Zitierstil (9. Ausg.)Medieval Metropolises: Proceedings of the Congress of the Atlas Working Group International Commission for the History of Towns, Bologna, 8 - 10 Maggio 1997 = Metropoli Medievali. Grafis, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.